package com;

public class xunhuan {
    public  static  String change(int choice){
        String ch ="";
        switch (choice){
            case 1:
                ch = "石头";
                break;
            case 2:
                ch = "剪刀";
                break;
            case 3:
                ch = "布";
                break;
        }
        return ch;
    }
}
